Fly Ash is normally used to as an addition to Portland cement in concrete production because it supplies technological and economical benefits.
Additionally to economic and ecological advantages, Fly Ash in concrete increases its workability, reduces separations and permeability, and improves sulfate resistance.
Its usage also includes:
Embankments and structural fill
Waste stabilization and solidification
Raw feed for cement clinkers
Stabilization of soft soils
Mineral filler in asphalted concrete